| 1 | #!/bin/bash |
| 2 | # |
| 3 | # Copyright (C) - 2013 Julien Desfossez <jdesfossez@efficios.com> |
| 4 | # |
| 5 | # This library is free software; you can redistribute it and/or modify it under |
| 6 | # the terms of the GNU Lesser General Public License as published by the Free |
| 7 | # Software Foundation; version 2.1 of the License. |
| 8 | # |
| 9 | # This library is distributed in the hope that it will be useful, but WITHOUT |
| 10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| 11 | # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
| 12 | # details. |
| 13 | # |
| 14 | # You should have received a copy of the GNU Lesser General Public License |
| 15 | # along with this library; if not, write to the Free Software Foundation, Inc., |
| 16 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | TEST_DESC="Snapshots - UST tracing" |
| 18 | |
| 19 | CURDIR=$(dirname $0)/ |
| 20 | TESTDIR=$CURDIR/../../.. |
| 21 | EVENT_NAME="tp:tptest" |
| 22 | BIN_NAME="gen-nevents" |
| 23 | PID_RELAYD=0 |
| 24 | SESSION_NAME="" |
| 25 | CHANNEL_NAME="snapchan" |
| 26 | TESTAPP_PATH="$TESTDIR/utils/testapp" |
| 27 | TESTAPP_NAME="gen-ust-events" |
| 28 | TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME" |
| 29 | NR_ITER=2000000 |
| 30 | NR_USEC_WAIT=100 |
| 31 | |
| 32 | TRACE_PATH=$(mktemp -d) |
| 33 | |
| 34 | NUM_TESTS=2029 |
| 35 | |
| 36 | source $TESTDIR/utils/utils.sh |
| 37 | |
| 38 | if [ ! -x "$TESTAPP_BIN" ]; then |
| 39 | BAIL_OUT "No UST events binary detected." |
| 40 | fi |
| 41 | |
| 42 | function test_ust_local_snapshot () |
| 43 | { |
| 44 | diag "Test local UST snapshots" |
| 45 | create_lttng_session_no_output $SESSION_NAME |
| 46 | enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME |
| 47 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 48 | start_lttng_tracing $SESSION_NAME |
| 49 | lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH |
| 50 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
| 51 | ok $? "Start application to trace" |
| 52 | lttng_snapshot_record $SESSION_NAME |
| 53 | stop_lttng_tracing $SESSION_NAME |
| 54 | destroy_lttng_session $SESSION_NAME |
| 55 | |
| 56 | # Validate test |
| 57 | validate_trace $EVENT_NAME $TRACE_PATH/ |
| 58 | if [ $? -eq 0 ]; then |
| 59 | # Only delete if successful |
| 60 | rm -rf $TRACE_PATH |
| 61 | else |
| 62 | break |
| 63 | fi |
| 64 | diag "Killing $TESTAPP_NAME" |
| 65 | PID_APP=`pidof $TESTAPP_NAME` |
| 66 | kill $PID_APP >/dev/null 2>&1 |
| 67 | } |
| 68 | |
| 69 | function enable_channel_per_uid_mmap_overwrite() |
| 70 | { |
| 71 | sess_name=$1 |
| 72 | channel_name=$2 |
| 73 | |
| 74 | $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --output mmap --overwrite >/dev/null 2>&1 |
| 75 | ok $? "Enable channel $channel_name per UID for session $sess_name" |
| 76 | } |
| 77 | |
| 78 | function test_ust_per_uid_local_snapshot () |
| 79 | { |
| 80 | diag "Test local UST snapshots" |
| 81 | create_lttng_session_no_output $SESSION_NAME |
| 82 | enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME |
| 83 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 84 | start_lttng_tracing $SESSION_NAME |
| 85 | lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH |
| 86 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
| 87 | ok $? "Start application to trace" |
| 88 | lttng_snapshot_record $SESSION_NAME |
| 89 | stop_lttng_tracing $SESSION_NAME |
| 90 | destroy_lttng_session $SESSION_NAME |
| 91 | |
| 92 | # Validate test |
| 93 | validate_trace $EVENT_NAME $TRACE_PATH/ |
| 94 | if [ $? -eq 0 ]; then |
| 95 | # Only delete if successful |
| 96 | rm -rf $TRACE_PATH |
| 97 | else |
| 98 | break |
| 99 | fi |
| 100 | diag "Killing $TESTAPP_NAME" |
| 101 | PID_APP=`pidof $TESTAPP_NAME` |
| 102 | kill $PID_APP >/dev/null 2>&1 |
| 103 | } |
| 104 | |
| 105 | function test_ust_1000_local_snapshots () |
| 106 | { |
| 107 | NB_SNAP=1000 |
| 108 | |
| 109 | diag "Test $NB_SNAP local UST snapshots" |
| 110 | create_lttng_session_no_output $SESSION_NAME |
| 111 | enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME |
| 112 | enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME |
| 113 | start_lttng_tracing $SESSION_NAME |
| 114 | lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH |
| 115 | $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & |
| 116 | for i in $(seq 1 $NB_SNAP); do |
| 117 | diag "Snapshot $i/$NB_SNAP" |
| 118 | rm -rf $TRACE_PATH/snapshot/* 2>/dev/null |
| 119 | lttng_snapshot_record $SESSION_NAME |
| 120 | # Validate test |
| 121 | validate_trace $EVENT_NAME $TRACE_PATH/ |
| 122 | if [ $? -eq 0 ]; then |
| 123 | # Only delete if successful |
| 124 | rm -rf $TRACE_PATH |
| 125 | else |
| 126 | break |
| 127 | fi |
| 128 | done |
| 129 | stop_lttng_tracing $SESSION_NAME |
| 130 | destroy_lttng_session $SESSION_NAME |
| 131 | diag "Killing $TESTAPP_NAME" |
| 132 | PID_APP=`pidof $TESTAPP_NAME` |
| 133 | # kill $PID_APP >/dev/null 2>&1 |
| 134 | } |
| 135 | |
| 136 | plan_tests $NUM_TESTS |
| 137 | |
| 138 | print_test_banner "$TEST_DESC" |
| 139 | |
| 140 | if [ "$(id -u)" == "0" ]; then |
| 141 | isroot=1 |
| 142 | else |
| 143 | isroot=0 |
| 144 | fi |
| 145 | |
| 146 | start_lttng_sessiond |
| 147 | |
| 148 | tests=( test_ust_local_snapshot test_ust_per_uid_local_snapshot test_ust_1000_local_snapshots ) |
| 149 | |
| 150 | for fct_test in ${tests[@]}; |
| 151 | do |
| 152 | SESSION_NAME=$(randstring 16 0) |
| 153 | ${fct_test} |
| 154 | |
| 155 | done |
| 156 | |
| 157 | stop_lttng_sessiond |